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Altera_Forum
Honored Contributor
21 years agoDMA Dropouts
Hi all, I'm just bringing up our first Cyclone Nios II board and all is going pretty well. however I do seem to have a small problem with a DMA transfer. I've got a user peripheral ...
Altera_Forum
Honored Contributor
21 years agoHi cybdenw,
i had a similar problem, but in my situation the problem was the CPU data cache: in fact i didn't read the data written by the DMA in the SDRAM, but the CPU used the data cache instead of accessing SDRAM. Moreover I had to use dynamic memory allocation (malloc) to pass the buffer address where to write data, to the DMA...